Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2026 · mathsvault.uk/keystones
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1. Number Adding directed numbers
Calculate: -9 + 1
Answer: -8 -
2. Algebra Two-step equations
Solve: 2x + 14 = 28
Answer: x = 7 -
3. Geometry Converting units of time
Convert 3 minutes to seconds
Answer: 180 seconds -
4. Ratio Writing a ratio as 1 : n
Write 2:10 in the form 1:n
Answer: 1:5 -
5. Statistics Range
Find the range of: 27, 43, 32, 13, 17
Answer: 30